Vulnerability Description
In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.10, < 4.14.103 |
| Redhat | Enterprise Linux | 7.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing ListThird Party Advisory
- http://patchwork.ozlabs.org/patch/1042902/PatchThird Party Advisory
- http://www.securityfocus.com/bid/107063Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2020:0174Third Party Advisory
- https://usn.ubuntu.com/3930-1/Third Party Advisory
- https://usn.ubuntu.com/3930-2/Third Party Advisory
- https://usn.ubuntu.com/3931-1/Third Party Advisory
- https://usn.ubuntu.com/3931-2/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-8912Issue TrackingPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing ListThird Party Advisory
- http://patchwork.ozlabs.org/patch/1042902/PatchThird Party Advisory
- http://www.securityfocus.com/bid/107063Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2020:0174Third Party Advisory
- https://usn.ubuntu.com/3930-1/Third Party Advisory
- https://usn.ubuntu.com/3930-2/Third Party Advisory
FAQ
What is CVE-2019-8912?
CVE-2019-8912 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.
How severe is CVE-2019-8912?
CVE-2019-8912 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-8912?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Canonical Ubuntu Linux, Opensuse Leap.